| Predicate |
Object |
| assignee |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_020b389b8e29740f8a5f0317424300b7 |
| classificationCPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C07D471-04
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M5-145
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/B41M5-327
http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/C09B11-26 |
| classificationIPCInventive |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M5-327
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/B41M5-145
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D519-00
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D491-048
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C09B11-26
http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/C07D471-04 |
| filingDate |
1979-03-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| grantDate |
1980-11-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor |
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_c4c259956142fbb61399d3c1430ec8ed
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a8c286a721daf95bcd25a78c4c875488
http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_cc8a35a33b90802172b428692fd37b30 |
| publicationDate |
1980-11-11-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber |
US-4232887-A |
| titleOfInvention |
Lactone compounds containing an indolizine radical |
| abstract |
Chromogenic compounds of normally colorless form are disclosed having the following structural formula: <IMAGE> wherein E represents a six-membered aromatic or heterocyclic ring which may have an aromatic condensed ring and both the E ring and the condensed ring may be substituted, A represents an optionally substituted aminophenyl, indolyl, benzoindolyl, julolidinyl or kairolyl radical or the radical represented by B, and B represents a family of indolizine radicals. The compounds of this invention are eligible for use in pressure-sensitive and heat sensitive record materials and manifold marking systems. |
| isCitedBy |
http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-4705776-A |
| priorityDate |
1979-03-05-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type |
http://data.epo.org/linked-data/def/patent/Publication |